Duplex adapter insert



FIG. 1 is a top view of a duplex adapter insert;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a rear perspective view thereof;

FIG. 8 is a top view of the adapter insert of FIG. 1 mated with acontextual insert frame;

FIG. 9 is a left side view thereof;

FIG. 10 is a front view thereof;

FIG. 11 is a right side view thereof;

FIG. 12 is a rear view thereof; and,

FIG. 13 is a bottom view thereof.

Dot-dash pattern broken lines depict an internal boundary within theduplex adapter insert. Neither the area within the dot-dash broken linesnor the line itself forms any part of the claimed design.

CLAIM The ornamental design for a duplex adapter insert, as shown anddescribed.